MPLX LP announced the appointment of C. Kristopher Hagedorn as vice president and controller of the general partner of MPLX, effective Dec. 4. Hagedorn, comes to MPLX after serving for five years at CONSOL Energy Inc. in various roles, most recently as its vice president and controller. Hagedorn replaces Paula Rosson, who has accepted the position of senior vice president and chief administrative officer of MPLX subsidiary MarkWest Energy Partners, L.P., reporting to MPLX Executive Vice President of MarkWest Operations Greg Floerke. Hagedorn will be based at MPLX's headquarters in Findlay and will serve as the partnership's chief accounting officer, reporting to Pamela K.M. Beall, MPLX executive vice president and chief financial officer.